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← Area code 206

206-557 phone numbers

Numbers 206-557-0000 to 206-557-9999 are assigned to New Cingular Wireless PCS, LLC in Seattle, WA. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 206-557